X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fcc1111%2Fao_arch_funcs.h;h=ae1841089c0a59383b6919c7fcd424a5c9bfd7e6;hp=8f1cc09476e099766247de88705fe3bbd22bb54d;hb=312f6194a4bc75473cb0d61a6d58b66fb1f7c068;hpb=fc9841ee5e92318471b6bec09b7075a788ab8872 diff --git a/src/cc1111/ao_arch_funcs.h b/src/cc1111/ao_arch_funcs.h index 8f1cc094..ae184108 100644 --- a/src/cc1111/ao_arch_funcs.h +++ b/src/cc1111/ao_arch_funcs.h @@ -19,46 +19,74 @@ * ao_spi.c */ -extern __xdata uint8_t ao_spi_mutex; +#if !HAS_SPI_0 && !HAS_SPI_1 +#define HAS_SPI_0 1 +#define SPI_0_ALT_2 1 +#endif + +#if HAS_SPI_0 && HAS_SPI_1 +#define MULTI_SPI 1 +#define N_SPI 2 +#else +#define MULTI_SPI 0 +#define N_SPI 1 +#endif + +extern __xdata uint8_t ao_spi_mutex[N_SPI]; + +#if MULTI_SPI +#define ao_spi_get(bus) ao_mutex_get(&ao_spi_mutex[bus]) +#define ao_spi_put(bus) ao_mutex_put(&ao_spi_mutex[bus]) +#else +#define ao_spi_get(bus) ao_mutex_get(&ao_spi_mutex[0]) +#define ao_spi_put(bus) ao_mutex_put(&ao_spi_mutex[0]) +#endif #define AO_SPI_SPEED_FAST 17 #define AO_SPI_SPEED_200kHz 13 -#define ao_spi_set_speed(speed) (U0GCR = (UxGCR_CPOL_NEGATIVE | \ - UxGCR_CPHA_FIRST_EDGE | \ - UxGCR_ORDER_MSB | \ - ((speed) << UxGCR_BAUD_E_SHIFT))) +#if MULTI_SPI +#define ao_spi_set_speed(bus,speed) (*(bus ? &U1GCR : &U0GCR) =(UxGCR_CPOL_NEGATIVE | \ + UxGCR_CPHA_FIRST_EDGE | \ + UxGCR_ORDER_MSB | \ + ((speed) << UxGCR_BAUD_E_SHIFT))) +#else +#define ao_spi_set_speed(bus,speed) (U0GCR = (UxGCR_CPOL_NEGATIVE | \ + UxGCR_CPHA_FIRST_EDGE | \ + UxGCR_ORDER_MSB | \ + ((speed) << UxGCR_BAUD_E_SHIFT))) +#endif #define ao_spi_get_slave(bus) do { \ - ao_mutex_get(&ao_spi_mutex); \ - ao_spi_set_speed(AO_SPI_SPEED_FAST); \ + ao_spi_get(bus); \ + ao_spi_set_speed(bus,AO_SPI_SPEED_FAST); \ } while (0) #define ao_spi_put_slave(bus) do { \ - ao_mutex_put(&ao_spi_mutex); \ + ao_spi_put(bus); \ } while (0) #define ao_spi_get_mask(reg,mask,bus,speed) do { \ - ao_mutex_get(&ao_spi_mutex); \ - ao_spi_set_speed(speed); \ + ao_spi_get(bus); \ + ao_spi_set_speed(bus,speed); \ (reg) &= ~(mask); \ } while (0) #define ao_spi_put_mask(reg,mask,bus) do { \ (reg) |= (mask); \ - ao_mutex_put(&ao_spi_mutex); \ + ao_spi_put(bus); \ } while (0) #define ao_spi_get_bit(reg,bit,pin,bus,speed) do { \ - ao_mutex_get(&ao_spi_mutex); \ - ao_spi_set_speed(speed); \ - pin = 0; \ + ao_spi_get(bus); \ + ao_spi_set_speed(bus,speed); \ + pin = 0; \ } while (0) #define ao_spi_put_bit(reg,bit,pin,bus) do { \ pin = 1; \ - ao_mutex_put(&ao_spi_mutex); \ + ao_spi_put(bus); \ } while (0) @@ -68,6 +96,13 @@ extern __xdata uint8_t ao_spi_mutex; * from chip select low to chip select high */ +#if MULTI_SPI +void +ao_spi_send(void __xdata *block, uint16_t len, uint8_t bus) __reentrant; + +void +ao_spi_recv(void __xdata *block, uint16_t len, uint8_t bus) __reentrant; +#else void ao_spi_send_bus(void __xdata *block, uint16_t len) __reentrant; @@ -76,6 +111,7 @@ ao_spi_recv_bus(void __xdata *block, uint16_t len) __reentrant; #define ao_spi_send(block, len, bus) ao_spi_send_bus(block, len) #define ao_spi_recv(block, len, bus) ao_spi_recv_bus(block, len) +#endif #if AO_SPI_SLAVE void @@ -88,10 +124,15 @@ ao_spi_recv_wait(void); void ao_spi_init(void); -#define ao_spi_init_cs(port, mask) do { \ - SPI_CS_PORT |= mask; \ - SPI_CS_DIR |= mask; \ - SPI_CS_SEL &= ~mask; \ +#define token_paster(x,y) x ## y +#define token_paster3(x,y,z) x ## y ## z +#define token_evaluator(x,y) token_paster(x,y) +#define token_evaluator3(x,y,z) token_paster3(x,y,z) + +#define ao_spi_init_cs(port, mask) do { \ + port |= mask; \ + token_evaluator(port,DIR) |= mask; \ + token_evaluator(port,SEL) &= ~mask; \ } while (0) #define cc1111_enable_output(port,dir,sel,pin,bit,v) do { \ @@ -102,7 +143,6 @@ ao_spi_init(void); #define disable_unreachable _Pragma("disable_warning 126") -#define token_paster(x,y) x ## y -#define token_evaluator(x,y) token_paster(x,y) #define ao_enable_output(port,bit,pin,v) cc1111_enable_output(port,token_evaluator(port,DIR), token_evaluator(port,SEL), pin, bit, v) #define ao_gpio_set(port, bit, pin, v) ((pin) = (v)) +